Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (30): 18-19.

• 博士论坛 • Previous Articles     Next Articles

Local deleting based on quantum bipartite orthogonal states

REN Lin-yuan1,LI De-chao2,LI Yong-ming1,3   

  1. 1.College of Mathematics and Information Science,Shaanxi Normal University,Xi’an 710062,China
    2.College of Automation,Northwestern Polytechnical University,Xi’an 710072,China
    3.College of Computer Science,Shaanxi Normal University,Xi’an 710062,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-10-21 Published:2007-10-21
  • Contact: REN Lin-yuan



  1. 1.陕西师范大学 数学与信息科学学院,西安 710062
    2.西北工业大学 自动化学院,西安 710072
    3.陕西师范大学 计算机科学学院,西安 710062
  • 通讯作者: 任林源

Abstract: Although under the condition of global operation,the non orthogonal quantum states cannot be copied and deleted perfectly because of the linearity of the quantum operation,the orthogonal states can be copied and deleted perfectly.But when the operation is restricted to the Iocal Operation and Classical Communication(LOCC),ever the orthogonal quantum states may be not being copied and deleted perfectly.Considers the problem of deleting of bipartite orthogonal maximal entanglement states and deleting of quantum channel,also deriver some necessary and sufficient conditions when they can be deleted.

摘要: 虽然在全局操作(Global)下,由于量子操作线性性的限制,非正交态不可精确克隆和精确删除,但是正交态却可以精确克隆和精确删除。不过在局域操作(LOCC)下,即使是正交的量子态也不一定可以精确克隆和精确删除。考虑在局域操作下,两体最大正交纠缠态和量子信道的局域删除问题,得到了它们可以实现局域删除的充要条件。